i have 3 equations as follows:
x1+x2+x3 = m (where m is any constant. it can be taken 1 for finding
solution)
-3*x1+4*x1^3-3*x2+4*x2^3-3*x3+4*x3^3 = 0
5*x1-20*x1^3+16*x1^5+5*x2-20*x2^3+16*x2^5+5*x3-20*x3^3+16*x3^5 = 0
0